Table 3-7. Rj-45 Ethernet Connector Pin Assignments; Table 3-8. Rj-45 Ethernet Connector Signal Definitions; Table 3-9. Cross-Over Cable Connections; Cross-Over Cable Connector (10/100 Mb/S Only) - Motorola 82543 Owner's Manual

Cross-Over Cable Connector (10/100 Mb/s Only)

Table 3-7. RJ–45 Ethernet Connector Pin Assignments
Pin
3
1
2
3
4
5
6
7
8

Table 3-8. RJ-45 Ethernet Connector Signal Definitions

Pin
Data x+
Data x–
Cross-Over Cable Connector (10/100 Mb/s
Only)
Connector 1 Pin
1
2
3
4
3-10
Wire Color
White/Green
Green/White
White/Orange
Blue/White
White/Blue
Orange/White
White/Brown
Brown/White
Signal
Transmit/receive positive signal
Transmit/receive negative signal
To connect two systems back-to-back, you must use a cross-over cable or
a network hub. Table 3-9
cable.

Table 3-9. Cross-Over Cable Connections

Wire Color
White/Green
Green/White
White/Orange
Blue/White
Signal
Data A+
Data A–
Data B+
Data C+
Data C–
Data B–
Data D+
Data D–
lists the connections for creating a cross-over
Signal
Transmit+
Transmit–
Receive+
No connection
Gigabit Ethernet/82543 PMC Installation and Use
Connector 2 Pin
3
6
1
4